Comparative role of microplastics and microalgae as vectors for chlorpyrifos bioacumulation and related physiological and immune effects in mussels
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Autor/esFernández-Galindo, B. (Beatriz); Campillo-González, J.A. (Juan Antonio); Chaves-Pozo, E. (Elena); Bellas, J. (Juan); León, V.M. (Víctor Manuel); Albentosa, M. (Marina)
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Microplastics (MP) are contaminants of concern per se, and also by their capacity to sorb dissolved chemicals from seawater, acting as vehicles for their transfer into marine organisms. Still, the role ofMP as vehicles for con- taminants and their associated toxicological effects have been poorly investigated. In this work we have compared the role ofMP (high density polyethylene, HDPE, ≤22 μm) and of natural organic particles (microalgae, MA) as vehicle for chlorpyrifos (CPF), one of the most common pesticides found in river and coastal waters. We have compared the capacity of MP and MA to carry CPF. Then, the mussel Mytilus galloprovincialis has been exposed for 21 days to dissolved CPF, and to the same amount of CPF loaded onto MP and MA. The concentration of CPF inmussel' tissues and several physiological, energetics and immuneparameters have been analyzed after 7 and 21 days of exposure. Results showed similar CPF accumulation in mussel exposed to MP and to MA spiked with CPF. This ...
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